Features
Fully trademarked H&K / Heckler & Koch Engraving
Compact design; great as a sidearm or primary weapon
Realistic, hard-kick blowback
Extreme high quality build and detailed finish
Adjustable hopup for optimized range
Fully automatic and semi-automatic firing
Telescopic two position retractable stock with rubber buttpad
Metal rails, flashhider, magazine, fire selector, slide release, iron sight and retractable stock

Caliber: 6mm
Ammo Type : 6mm Airsoft BB. 0.20g or heavier / Matrix & compatible high grade Airsoft bbs recommended.
Power: Green Gas, Propane Adapter
Optic Compatible: Picatinny / Weaver rail.
Safety Type: Manual, Ambidextrous
Overall Length: 380mm / 590mm (Retracted / Extended)
Weight (unloaded): 1610g
Inner Barrel: 160mm
Magazine Capacity: 40 Rounds
Muzzle Velocity: 380~430 FPS (Measured with 0.20g BBs and Green Gas)
Fire Modes: Semi / Full-Auto / Safe
Hopup: Yes, Adjustable
Rear Sight Type : Flip-up - Dual Aperture - Adj. for Windage & Elevation
Front Sight Type : Flip-up - Adjustable Post
Package Includes: Gun, Magazine, Manual

Manufacture: Heckler & Koch (Licensed) / Umarex USA / Elite Force / OEM: KWA 

FPS Range: 380-430